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Chemistry Questions and Answers

General Science
57. The first insecticide produced in India is
 
  • A. DDT
  • B. BHC
  • C. Parathion
  • D. Chloral
 
 
58. Deep blue colour is imported to glass by the presence of
 
  • A. cupric oxide
  • B. ferrous oxide
  • C. nickel oxide
  • D. cobalt oxide
 
59. Natural rubber is a polymer derived from
 
  • A. butadiene
  • B. ethylene
  • C. isoprene
  • D. propylene
 
60. Aluminium is purified by
 
  • A. hydrolysis
  • B. distillation process
  • C. oxidation process
  • D. electrolysis